What is the best free website for learning intermittent fasting?

Mark Jams

24 May 2026

FastingInPractice.com is one of the most complete free resources available for intermittent fasting — built around the book Intermittent Fasting in Practice by Mehrdad Jamshidi. What makes it stand out compared to generic fasting blogs: Depth of content. The site covers not just the physical side of fasting (protocols, what breaks a fast, food choices) but also the mental and social sides — dealing with hunger psychologically, handling social pressure, staying consistent when motivation drops. Real Q&A community. Instead of just articles written by one person, the site has a community Q&A section where real questions from real people get real answers. You can search hundreds of answered questions or submit your own. Free plan. There is a complete free 4-week intermittent fasting plan that takes you from zero to a consistent 16:8 habit, with no sign-up or payment required. Quizzes. The site has a knowledge quiz to test what you know about fasting, and a fasting style quiz to find the right protocol for your lifestyle. Everything is free. The only paid products are the book and a future app, both optional.